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Questions and Answers
What is the primary factor that determines the classification of a solution as dilute or concentrated?
What is the primary factor that determines the classification of a solution as dilute or concentrated?
What happens to the concentration of a solution when more solvent is added to it?
What happens to the concentration of a solution when more solvent is added to it?
What is the maximum amount of solute that can dissolve in a specific amount of solvent at a specific temperature?
What is the maximum amount of solute that can dissolve in a specific amount of solvent at a specific temperature?
What is the range of diameters of particles in a colloid?
What is the range of diameters of particles in a colloid?
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What is the term used to describe the distribution of particles in a colloid?
What is the term used to describe the distribution of particles in a colloid?
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What is the characteristic of particles in a colloid that allows them to remain suspended in the solution?
What is the characteristic of particles in a colloid that allows them to remain suspended in the solution?
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What is an example of a concentrated solution?
What is an example of a concentrated solution?
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What is the term used to describe the mixture of solute particles that are larger than those in a true solution but smaller than those that can be seen by the naked eye?
What is the term used to describe the mixture of solute particles that are larger than those in a true solution but smaller than those that can be seen by the naked eye?
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What is the factor that affects the solubility of a substance?
What is the factor that affects the solubility of a substance?
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What happens to the particles in a colloid over time?
What happens to the particles in a colloid over time?
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Study Notes
Solutions
- Classified as dilute or concentrated based on the relative amount of solute present
- Dilute solutions contain a relatively small amount of solute
- Concentrated solutions contain a relatively large amount of solute
Changing Concentration
- Adding more solvent to a solution dilutes it and decreases its concentration
Solubility
- Maximum amount of solute that dissolves in a specific amount of solvent at a specific temperature
- Depends on the solvent used, as well as temperature and pressure
Colloids
- Heterogeneous mixture with solute particles larger than those in a true solution
- Particle size ranges between 1 and 1000 nanometers in diameter
- Particles remain evenly distributed throughout the solution and do not settle to the bottom of the container
- Particles are big enough to scatter a beam of light, known as the Tyndall effect
- The Tyndall effect is a characteristic that distinguishes colloids from solutions
Suspensions
- Heterogeneous mixture with solid particles spread throughout a liquid without dissolving
- Particles are big enough (greater than 1000 nanometers) to be seen with the naked eye
- Particles are undissolved in a given medium
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Description
Determine the classification of solutions as dilute or concentrated based on the amount of solute present. Learn how addition of solvent affects the solution.
